Analysis

  • max time kernel
    148s
  • max time network
    125s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    13/10/2026, 22:38

General

  • Target
    2026-10-12_b321e81cd5b906352d835f95714ec505_elex_remcos_wannacry.exe
  • Size 60KB
  • Sample261013-2kr2mavtbv
  • SHA256 438b0d12f9c806e3fa685259f406c348ce97ae37dbf4b42e0738c3398cf3b410
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Stormser, StormDDoS, StormAttack, Stormer

    Stormser aka StormDDoS, StormAttack, and Stormer is a Windows worm written in C++.

  • Detects Stormser aka Storm DDoS and StormAttack 11 IoCs
  • Detects Windows executables referencing non-Windows User-Agents 11 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 22 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Executes dropped EXE 11 IoCs
  • Drops file in Windows directory 11 IoCs
  • Executes a command shell one-liner 1 TTPs 11 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • System Location Discovery: System Language Discovery 1 TTPs 23 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-10-12_b321e81cd5b906352d835f95714ec505_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-12_b321e81cd5b906352d835f95714ec505_elex_remcos_wannacry.exe"
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1208
    • C:\Windows\{B6E1081C-6F2D-4610-8102-977BF9C38BBD}.exe
      C:\Windows\{B6E1081C-6F2D-4610-8102-977BF9C38BBD}.exe
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4920
      • C:\Windows\{64DDE04D-2999-4ca9-B6FA-210C532E6876}.exe
        C:\Windows\{64DDE04D-2999-4ca9-B6FA-210C532E6876}.exe
        3⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Executes dropped EXE
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4292
        • C:\Windows\{567042B8-B676-4b35-B9C8-A0D6AEB62831}.exe
          C:\Windows\{567042B8-B676-4b35-B9C8-A0D6AEB62831}.exe
          4⤵
          • Boot or Logon Autostart Execution: Active Setup
          • Executes dropped EXE
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3464
          • C:\Windows\{7DD28805-5591-44ac-99E0-BAA49DD3E599}.exe
            C:\Windows\{7DD28805-5591-44ac-99E0-BAA49DD3E599}.exe
            5⤵
            • Boot or Logon Autostart Execution: Active Setup
            • Executes dropped EXE
            • Drops file in Windows directory
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:968
            • C:\Windows\{531A3E9F-5F1F-451c-B710-5F48CCF01410}.exe
              C:\Windows\{531A3E9F-5F1F-451c-B710-5F48CCF01410}.exe
              6⤵
              • Boot or Logon Autostart Execution: Active Setup
              • Executes dropped EXE
              • Drops file in Windows directory
              • System Location Discovery: System Language Discovery
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:5400
              • C:\Windows\{E68CB9A1-B1C6-493d-8692-E49FB74A219F}.exe
                C:\Windows\{E68CB9A1-B1C6-493d-8692-E49FB74A219F}.exe
                7⤵
                • Boot or Logon Autostart Execution: Active Setup
                • Executes dropped EXE
                • Drops file in Windows directory
                • System Location Discovery: System Language Discovery
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                PID:4040
                • C:\Windows\{216DA45D-4C4D-4645-84E6-3183611BA77D}.exe
                  C:\Windows\{216DA45D-4C4D-4645-84E6-3183611BA77D}.exe
                  8⤵
                  • Boot or Logon Autostart Execution: Active Setup
                  • Executes dropped EXE
                  • Drops file in Windows directory
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of WriteProcessMemory
                  PID:4216
                  • C:\Windows\{1D89D417-12F0-4f24-9482-F469D0EDB490}.exe
                    C:\Windows\{1D89D417-12F0-4f24-9482-F469D0EDB490}.exe
                    9⤵
                    • Boot or Logon Autostart Execution: Active Setup
                    • Executes dropped EXE
                    • Drops file in Windows directory
                    • System Location Discovery: System Language Discovery
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    PID:764
                    • C:\Windows\{7542E531-6897-4d5b-A72B-3D1286C2A6F5}.exe
                      C:\Windows\{7542E531-6897-4d5b-A72B-3D1286C2A6F5}.exe
                      10⤵
                      • Boot or Logon Autostart Execution: Active Setup
                      • Executes dropped EXE
                      • Drops file in Windows directory
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of AdjustPrivilegeToken
                      • Suspicious use of WriteProcessMemory
                      PID:4532
                      • C:\Windows\{3B1BD19D-C15B-4b99-BA22-02D7DE491C0F}.exe
                        C:\Windows\{3B1BD19D-C15B-4b99-BA22-02D7DE491C0F}.exe
                        11⤵
                        • Boot or Logon Autostart Execution: Active Setup
                        • Executes dropped EXE
                        • Drops file in Windows directory
                        • System Location Discovery: System Language Discovery
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of WriteProcessMemory
                        PID:3844
                        • C:\Windows\{16EB0608-F60F-4ef0-8763-20F739592D99}.exe
                          C:\Windows\{16EB0608-F60F-4ef0-8763-20F739592D99}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:4224
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{3B1BD~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:4788
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{7542E~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:5704
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{1D89D~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:2748
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{216DA~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:2804
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{E68CB~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:1588
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{531A3~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:4100
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{7DD28~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:4260
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{56704~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:4844
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{64DDE~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:364
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{B6E10~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:4664
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\2026-1~1.EXE > nul
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:352

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {16EB0608-F60F-4ef0-8763-20F739592D99}.exe

        • Path C:\Windows\{16EB0608-F60F-4ef0-8763-20F739592D99}.exe
        • Size 60KB
        • SHA256 a5fc29a0cb6a72c8077e7b34e7d8811f1f4e787d576cd606cfbb71b15c4f5951
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {1D89D417-12F0-4f24-9482-F469D0EDB490}.exe

        • Path C:\Windows\{1D89D417-12F0-4f24-9482-F469D0EDB490}.exe
        • Size 60KB
        • SHA256 1ec2da21a9d1bf0cd7652ff156f3ad6db1f05a5d776028087be48abfa6cc89f3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {216DA45D-4C4D-4645-84E6-3183611BA77D}.exe

        • Path C:\Windows\{216DA45D-4C4D-4645-84E6-3183611BA77D}.exe
        • Size 60KB
        • SHA256 2d303775d6937fa4f864b0419e751d3fe73b852be1edcf2ac19399f480a04bc7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {3B1BD19D-C15B-4b99-BA22-02D7DE491C0F}.exe

        • Path C:\Windows\{3B1BD19D-C15B-4b99-BA22-02D7DE491C0F}.exe
        • Size 60KB
        • SHA256 88732a1142ef3a70b9864948979502897236a6cc8cb0219d1b4b10e78cae00a9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {531A3E9F-5F1F-451c-B710-5F48CCF01410}.exe

        • Path C:\Windows\{531A3E9F-5F1F-451c-B710-5F48CCF01410}.exe
        • Size 60KB
        • SHA256 adc8c123df22f8a99a90ca6f8b1466384647b1d2acf48323222854e34eabe796
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {567042B8-B676-4b35-B9C8-A0D6AEB62831}.exe

        • Path C:\Windows\{567042B8-B676-4b35-B9C8-A0D6AEB62831}.exe
        • Size 60KB
        • SHA256 fdb6caf24842dcc06c1d2bd40932dd13a719dc16f5085d9e68fdfc2f71107819
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {64DDE04D-2999-4ca9-B6FA-210C532E6876}.exe

        • Path C:\Windows\{64DDE04D-2999-4ca9-B6FA-210C532E6876}.exe
        • Size 60KB
        • SHA256 63a7dfcf175e8db03e90ee9f6b7fd084fce371f05703c970f4d254bae4b8c757
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {7542E531-6897-4d5b-A72B-3D1286C2A6F5}.exe

        • Path C:\Windows\{7542E531-6897-4d5b-A72B-3D1286C2A6F5}.exe
        • Size 60KB
        • SHA256 d2ee00d215f5ab41cc8f30e4d766c376f6d7c26a34dbb1ee2676690b02ee9c48
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {7DD28805-5591-44ac-99E0-BAA49DD3E599}.exe

        • Path C:\Windows\{7DD28805-5591-44ac-99E0-BAA49DD3E599}.exe
        • Size 60KB
        • SHA256 65369bcbfa48522f04d5f1e7cf9ac8c194152cbbb175619ec3944c92ba584358
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {B6E1081C-6F2D-4610-8102-977BF9C38BBD}.exe

        • Path C:\Windows\{B6E1081C-6F2D-4610-8102-977BF9C38BBD}.exe
        • Size 60KB
        • SHA256 aeec26311e32987d970d999b63ec49266667ca2d92897f47b5ff1795f804ff4e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {E68CB9A1-B1C6-493d-8692-E49FB74A219F}.exe

        • Path C:\Windows\{E68CB9A1-B1C6-493d-8692-E49FB74A219F}.exe
        • Size 60KB
        • SHA256 89c3495e350f9d13be192358e0f975fa9590e936bbe55ff78fa402a9a37e4204
        • MD5 SHA1 SHA512 SSDEEP TLSH